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Evolution of Rust Compiler Errors
Blog about programming stuff.
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Programming Languages
The most popular blog posts about programming languages on Hacker News. 375 posts.
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Clojuring the web application stack: Meditation One
In a land bereft of a canonical "killer app" web framework or two, one must think about the what, why, how, where of all the moving parts. Out here, one must become a student of web framework architecture in addition to web application architecture. For here, in Clojure-land, the two are one. ☯
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Why engineers can't be rational about programming languages
The neuroscience of why we make million dollar decisions based on identity, not data.
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Roto: A Compiled Scripting Language for Rust
By Terts Diepraam We are working on an embedded scripting language for Rust. This language, called Roto, aims to be a simple yet fast and reliable scripting language for Rust applications. The need for Roto comes from Rotonda, our BGP engine written in Rust. Mature BGP applications usually feature some
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Nim 2.2.6
The Nim Team is happy to announce version 2.2.6, the third patch release for our stable release, Nim 2.2.
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LSP client in Clojure in 200 lines of code
I wrote a small LSP client, it was kinda neat so I’m sharing it
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We chose OCaml to write Stategraph
OCaml's type system catches state corruption at compile time. Type-safe SQL, automatic serialization, and immutability by default prevent entire categories of bugs.
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Implementing Forth in Go and C
I first ran into Forth about 20 years ago when reading a book about designing embedded hardware . The reason I got the book back then was to actually learn more about the HW aspects, so having skimmed the Forth chapter I just registered an "oh, this is neat" mental note and moved on with my life. Over the last two…
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JetBrains Fleet drops support for Kotlin Multiplatform
A couple of years ago, we initiated the idea of creating a Kotlin Multiplatform IDE to help facilitate the development of KMP applications. We embarked on this venture, building on the Fleet platform,
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A years-long Turkish alphabet bug in the Kotlin compiler
Logic vs language: how a Turkish alphabet bug played a years-long game of hide-and-seek inside the Kotlin compiler
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Problems with Go channels (2016)
Update: If you’re coming to this blog post from a compendium titled “Go is not good,” I want to make it clear that I am ashamed to be on such a list. Go is absolutely the least worst programming language I’ve ever used. At the time I wrote this, I wanted to curb a trend I was seeing, namely, overuse of one of the more…
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Hacking Coroutines into C
A while ago, I was part of a team developing embedded software. The software was deeply rooted in state machines - dozens of them—spread across multiple functions. While this architecture is common in embedded development, especially for systems without an operating system, I started to question: Is this really the…
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Several core problems with Rust
I used to call myself a Rust hater, but really I was doing it just to compensate for the perceivable fanboyism e.g. Rust tops on stackoverflow surveys as most-loved language. There are many reasons to hate C++, and I hate C++ too. Lots of people were waiting for a better programming language, but got Rust instead.
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Error handling in Rust
A blog, mostly about programming
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Scala 3 Migration: Report from the field
April 30, 2024. I decided to dedicate a week to migrate our main project at work (a multiplayer mobile game server in production for over 4 years) from Scala...
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Blacksmithing and Lisp
A blog about computers, functional languages, Lisp, and Scheme.
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Making C and Python Talk to Each Other
How to Use Python in C
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Dynamically patch a Python function's source code at runtime
written by Eric J. Ma on 2025-08-23 | tags: python runtime llm security namespace compilation execution functions toolbot monkeypatching
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Zig Error Patterns
Although I try to make good use of the debugger, I am quite used to print-based debugging, especially for unit tests. I wanted to explore some tricks to improve print-based debugging, and also incorporate the debugger more.
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A Common Lisp jq replacement
Title says it all, I seriously dislike jq 's convoluted, impossible-to-remember ad hoc DSL that instantly joined heaps of misery like CMake and gnuplot in my heart. It should really have been a library with a CLI wrapper around eval in a well-known scripting language like Python.
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Compiling Java into native binaries with Graal and Mill
One recent development is the ability to compile Java programs into self-contained native binaries. This provides more convenient single-file distributions, faster startup time, and lower memory footprint, at a cost of slower creation time and limitations around reflection and dynamic classloading. This article…
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Parameterized types in C using the new tag compatibility rule
C23 has a new rule for struct, union, and enum compatibility finally appearing in compilers starting with GCC 15, released this past April, and Clang later this year. The same struct defined in different translation units (TU) has always been compatible — essential to how they work. Until this rule change, each such…
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Response to "Ruby Is Not a Serious Programming Language"
[5 min read] The question Sheon Han poses — “Is Ruby a serious programming language?” — says a lot about what someone thinks programming is supposed to fee...
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A Look at Rust from 2012
Recently I was scrolling through brson’s Rust quote database and stumbled upon a link to the official Rust tutorial from the very beginning of 2013. It says Rust 0.6 in the corner, but it lists many things that were removed in 0.6, so it’s likely closer to 0.5. I heard tales of old Rust before, but not of how the…
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Resizable structs in Zig
In this post I will make the case for the concept of a “runtime resizable struct” in Zig. I will then design an API by exploiting Zig’s powerful comptime functionality.
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Nimony (Nim 3.0) Design Principles
Nimony is a new compiler for a variant of Nim which will become Nim 3.0, eventually. However, Nim is a big language so replicating what it does will take its time.
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The cost of Go's panic and recover
TL;DR ¶ Some of the wisdom contained in Josh Bloch’s Effective Java book is relevant to Go. panic and recover are best reserved for exceptional circumstances. Reliance on panic and recover can noticeably slow down execution, incurs heap allocations, and precludes inlining. Internal handling of failure cases via panic…